3 years ago

Find the arithmetic mean an of an-1=3.9 and an+1=7.1

Mathematics

2 answers:

vladimir2022 [97]3 years ago

5 0

A[n] = (a[n-1] +a[n+1])/2 = (3.9 +7.1)/2 = 11/2 = 5.5

labwork [276]3 years ago

3 0

The arithmetic mean is 5.5

So therefor the answer is 5.5

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